Multi‑objective optimal configuration of multi‑park energy storage considering network re‑configuration
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(1.State Grid Zhejiang Hangzhou Xiaoshan District Power Supply Co., Ltd., Hangzhou 311201, China;2.Zhejiang Zhongxin Power Engineering Construction Co., Ltd., Hangzhou 311201, China;3.College of Electrical Engineering, Sichuan University, Chengdu 610065,China)

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TM715

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    Abstract:

    Reasonable distributed energy storage configuration plays a crucial role in the energy consumption process of the park. How to consider the connection between multiple parks and the constraints between economic costs and energy consumption benefits is a difficult problem to solve when configuring energy storage batteries. In addition, modern distribution networks are mostly closed?loop and open?loop operation, and the dynamic connection between multiple parks is also an important technical means to promote energy consumption. This paper proposes a multi?park energy storage multi?objective optimal configuration model considering network reconfiguration. First of all, the model mathematically represents the constraint relationship between configuration economy and energy consumption benefit, considers various investment and operation constraints, and introduces virtual power to represent the connection state between various parks; The model improves the energy consumption level from the system level through the dynamic reconstruction of the network. Secondly, based on the second?order cone relaxation and polyhedral linearization method, the original mixed?integer nonlinear non?convex model, which is difficult to solve directly, is transformed into a mixed?integer linear programming model. Finally, the proposed method is applied to the improved IEEE 33 bus system to construct a multi?objective Pareto curve. The results show that the dynamic connection between multiple parks is helpful to improve each other's energy consumption level, and the proposed method can provide the optimal solution of multi?objective energy storage configuration for engineering practice.

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翁利国,练德强,张阳辉,罗 曼,陈诗杰,黄 媛.考虑网络重构的多园区储能多目标优化配置[J].电力科学与技术学报英文版,2023,38(3):54-64. WENG Liguo, LIAN Deqiang, ZHANG Yanghui, LUO Man, CHEN Shijie, HUANG Yuan. Multi‑objective optimal configuration of multi‑park energy storage considering network re‑configuration[J]. Journal of Electric Power Science and Technology,2023,38(3):54-64.

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  • Received:
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  • Online: September 19,2023
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